Finding the Fourth Proportional to 460,876,233.08, 636,058,489.92 and 282,378,579.98
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Solution
The fourth proportional to 460,876,233.08, 636,058,489.92 and 282,378,579.98 is: 389,712,639.26
Step by Step Solution
- Step 1: Write the proportion equation
460,876,233.08 : 636,058,489.92 = 282,378,579.98 : x - Step 2: Convert to fraction form
460,876,233.08/636,058,489.92 = 282,378,579.98/x - Step 3: Cross multiply
460,876,233.08x = 636,058,489.92 × 282,378,579.98 - Step 4: Simplify right side
460,876,233.08x = 179,609,293,167,832,736 - Step 5: Solve for x
x = 179,609,293,167,832,736/460,876,233.08 - Step 6: Final answer
x = 389,712,639.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.